<template>
  <div class="app">
    <Navigation v-if="isLoggedIn" />
    <router-view></router-view>
  </div>
</template>

<script setup>
import { computed } from 'vue'
import Navigation from './components/Navigation.vue'

const isLoggedIn = computed(() => {
  return !!localStorage.getItem('token')
})
</script>

<style>
/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #f5f5f5;
  color: #2c3e50;
}

.app {
  min-height: 100vh;
}

/* 通用样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.btn {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background-color: #42b983;
  color: white;
}

.btn-primary:hover {
  background-color: #3aa876;
}

.btn-danger {
  background-color: #dc3545;
  color: white;
}

.btn-danger:hover {
  background-color: #c82333;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #666;
}

.form-group input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: #42b983;
}

.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}
</style>
